In Germany there is an Immigration office or Aliens Department (Ausländerbehörde / Ausländeramt) in almost every administrative district (Landkreis) and also in urban municipalities. These authority should enforce the aliens act. There are also federal states, where bigger cities, which belong to a district (Kreis), have a Immigration office or Aliens Department (Ausländerbehörde / Ausländeramt) by their own. The residence law for aliens belongs to the federal states.

Responsible is the Immigration office or the Aliens Department (Ausländerbehörde / Ausländeramt) near the place, where the alien normally lives. Here you can search the Immigration office / Aliens Department (Ausländerbehörde), which is responsible for your residence: